Someone wanna explain the implications?

You misread.
http://blogs.wsj.com/moneybeat/2013/07/01/winklevoss-twins-file-to-launch-bitcoin-exchange-traded-product/
They are not "bailing out," they are offering shares of an ETF based on bitcoins. Not quite the same thing. In fact this is good for bitcoin as it could attract more institutional investors who want to be able to participate in Bitcoin on traditional markets. This is something they can understand and trust. Good old winkii twins; they've got our back.

1.25k buys on bitstamp and mtgox? Weird. Almost at the same time.

Bitstamp just lost like all of its ask depth xD

Idk, I guess they trying to allow people to buy a share of their bitcoins?

The good news: Its essentially allowing bitcoins to be traded on the NYSE (or wherever they list the shares of their trust).

The bad news: The winklevoss twins are effectively selling 200k bitcoins, albeit to an audience that doesn't contribute to the market depth on normal bitcoin exchanges.

Whether or not Winklevoss dudes want to buy Bitcoins with the proceeds, it WILL effectively allow bitcoins to be traded as people can simply arbitrage between the value of the shares and the value of actual bitcoins. If the price differs too much somebody is getting screwed.

They could also be setting a semi-fixed rate of exchange for bitcoins.  Until they get enough volatility.

Doesn't this also mean traders will be able to use all of existing tools available to them?  If listed as a stock
on the NYSE?

You're noobing so bad right now, at the very best its about as fixed of an exchange rate as any of the other 'fancy' etf/etns. Just look at things like the viix, changes multiple % every day even in a 'normal' market.

but now Bitstamp goes back to 81 ...

btc-e right now 75.57$
WTH!?

yes, BTC-e Wall is at $ 75

+1 on that!  I too think that a really good crash will happen.  After that, well, we may see a bullish behavior, but more prudent and slow.